INTERP_KERNEL::ArcCArcCIntersector Class Reference

Inheritance diagram for INTERP_KERNEL::ArcCArcCIntersector:

Collaboration diagram for INTERP_KERNEL::ArcCArcCIntersector:

Public Member Functions
	ArcCArcCIntersector (const EdgeArcCircle &e1, const EdgeArcCircle &e2)
bool	areColinears () const
void	areOverlappedOrOnlyColinears (bool &obviousNoIntersection, bool &areOverlapped)
std::list< IntersectElement >	getIntersectionsCharacteristicVal () const
void	getPlacements (Node *start, Node *end, TypeOfLocInEdge &whereStart, TypeOfLocInEdge &whereEnd, MergePoints &commonNode) const
bool	haveTheySameDirection () const
Public Member Functions inherited from INTERP_KERNEL::EdgeIntersector
bool	intersect (std::vector< Node * > &newNodes, bool &order, MergePoints &commonNode)
virtual	~EdgeIntersector ()

Additional Inherited Members
Protected Member Functions inherited from INTERP_KERNEL::SameTypeEdgeIntersector
bool	keepOrder () const
	SameTypeEdgeIntersector (const Edge &e1, const Edge &e2)
Protected Member Functions inherited from INTERP_KERNEL::EdgeIntersector
	EdgeIntersector (const Edge &e1, const Edge &e2)
virtual void	identifyEarlyIntersection (bool &, bool &, bool &, bool &)
void	obviousCaseForCurvAbscisse (Node *node, TypeOfLocInEdge &where, MergePoints &commonNode, bool &obvious) const
Protected Attributes inherited from INTERP_KERNEL::EdgeIntersector
const Edge &	_e1
const Edge &	_e2
IntersectElement *	_earlyInter

Constructor & Destructor Documentation

ArcCArcCIntersector()

ArcCArcCIntersector::ArcCArcCIntersector	(	const EdgeArcCircle &	e1,
		const EdgeArcCircle &	e2
	)

Member Function Documentation

haveTheySameDirection()

bool ArcCArcCIntersector::haveTheySameDirection ( ) const

virtual

to call only if 'areOverlapped' have been set to true when areOverlappedOrOnlyColinears was called

Implements INTERP_KERNEL::EdgeIntersector.

References INTERP_KERNEL::EdgeArcCircle::getAngle().

areColinears()

bool ArcCArcCIntersector::areColinears ( ) const

virtual

Implements INTERP_KERNEL::EdgeIntersector.

getPlacements()

void ArcCArcCIntersector::getPlacements ( Node *  start, Node *  end, TypeOfLocInEdge &  whereStart, TypeOfLocInEdge &  whereEnd, MergePoints &  commonNode  ) const

virtual

Precondition 'start' and 'end' are on the same curve than this.

Implements INTERP_KERNEL::EdgeIntersector.

References INTERP_KERNEL::INSIDE, INTERP_KERNEL::EdgeArcCircle::IsIn2Pi(), INTERP_KERNEL::EdgeIntersector::obviousCaseForCurvAbscisse(), INTERP_KERNEL::OUT_AFTER, and INTERP_KERNEL::OUT_BEFORE.

areOverlappedOrOnlyColinears()

void ArcCArcCIntersector::areOverlappedOrOnlyColinears ( bool &  obviousNoIntersection, bool &  areOverlapped  )

virtual

Should be called only once per association.

Implements INTERP_KERNEL::EdgeIntersector.

References INTERP_KERNEL::Node::distanceBtw2Pt(), and INTERP_KERNEL::EdgeArcCircle::getRadius().

getIntersectionsCharacteristicVal()

std::list< IntersectElement > ArcCArcCIntersector::getIntersectionsCharacteristicVal ( ) const

virtual

Heart of the algorithm for arc/arc intersection. See http://mathworld.wolfram.com/Circle-CircleIntersection.html The computation is done in the coordinate system where Ox is the line between the 2 circle centers.

Implements INTERP_KERNEL::EdgeIntersector.

References INTERP_KERNEL::EdgeIntersector::_e1, INTERP_KERNEL::EdgeIntersector::_e2, INTERP_KERNEL::Node::areDoubleEquals(), INTERP_KERNEL::Node::areDoubleEqualsWPLeft(), INTERP_KERNEL::Node::declareOn(), INTERP_KERNEL::Node::declareOnTangent(), INTERP_KERNEL::EdgeArcCircle::GetAbsoluteAngleOfNormalizedVect(), INTERP_KERNEL::EdgeArcCircle::getCenter(), INTERP_KERNEL::EdgeArcCircle::getRadius(), INTERP_KERNEL::SameTypeEdgeIntersector::keepOrder(), INTERP_KERNEL::EdgeArcCircle::NormalizeAngle(), and INTERP_KERNEL::EdgeArcCircle::SafeSqrt().